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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [IVB regression] screen not resuming on kernel 3.14.6 and above"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80182#c44">Comment # 44</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [IVB regression] screen not resuming on kernel 3.14.6 and above"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80182">bug 80182</a>
from <span class="vcard"><a class="email" href="mailto:marianoaliaga@gmail.com" title="marianitn <marianoaliaga@gmail.com>"> <span class="fn">marianitn</span></a>
</span></b>
<pre>(In reply to Jani Nikula from <a href="show_bug.cgi?id=80182#c43">comment #43</a>)
<span class="quote">> Thanks.
>
> Apparently intel_backlight does what the userspace wants, mechanism not
> policy and all that, while acpi_backlight, for some reason, did not obey 0
> backlight in this scenario. And we moved from acpi_backlight to
> intel_backlight on your hardware. Technically there's no regression in i915,
> as it works with a sane userspace, and I'm obviously reluctant to adding
> hacks in i915 to replicate policy in acpi.
> </span >
OK, I understand your position here, I don't like hacks either. I think I'll
just stick with acpi_backlight until I can upgrade my userland.
<span class="quote">> However we've changed a few things related to backlight power sequencing and
> minimum backlight brightness; please see if those help with the old
> userspace. The branch to try is drm-intel-nightly at
> <a href="http://cgit.freedesktop.org/drm-intel">http://cgit.freedesktop.org/drm-intel</a>.</span >
Maybe someone else can test this, I'm done for now</pre>
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